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Canon EF-S 55- vs OM SYSTEM Olympus M.Zuiko Digital 40-

Updated July 2026 — Canon EF-S 55- leads on max zoom and focal range.

The Canon EF-S 55-250mm offers superior image quality and versatility, making it the better choice for serious photographers. However, the OM SYSTEM Olympus lens is a more budget-friendly option.

Why Canon EF-S 55- is better

Image Quality

Canon lens has superior optical design with UD lens element.

Focal Length

Canon offers a wider range from 55mm to 250mm.

Autofocus

Canon's STM technology provides faster and quieter focusing.

Why OM SYSTEM Olympus M.Zuiko Digital 40- is better

Price

Olympus lens is significantly cheaper at $175.99.

Portability

Olympus lens is compact and lightweight.

Ease of Use

Both lenses come with essential accessories, but Olympus is simpler.

Overall score

Canon EF-S 55-
88
OM SYSTEM Olympus M.Zuiko Digital 40-
75

Specifications

SpecCanon EF-S 55-OM SYSTEM Olympus M.Zuiko Digital 40-
ApertureF4-5.6F4-5.6
Image StabilizationYesNo
Autofocus TypeSTMHigh-Speed AF
Chromatic AberrationReducedStandard
Zoom TypeTelephotoZoom

Dimension comparison

Canon EF-S 55-OM SYSTEM Olympus M.Zuiko Digital 40-

Overview of the Canon EF-S 55-250mm F4-5.6 is STM

The Canon EF-S 55-250mm F4-5.6 is STM is a high-performance telephoto zoom lens designed for Canon's EF-S mount. Priced at $329.99, it offers a versatile focal length range ideal for wildlife, sports, and portrait photography. Notably, this lens features Image Stabilization, which provides up to 3.5 stops of shake correction, making it easier to capture sharp images in various lighting conditions. Additionally, the lens incorporates one UD lens element to reduce chromatic aberration, ensuring high-resolution images with excellent contrast and clarity.

Overview of the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R

The OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R is a more budget-friendly option, priced at $175.99. This lens is designed for Micro Four Thirds cameras and features a focal length range of 40-150mm, providing a 3.75x zoom capability. It is equipped with High-Speed Imager AF for quick and accurate focusing. The lens is compact and lightweight, making it a portable choice for photographers on the go. With a maximum image magnification of 0.16x, it is suitable for a variety of shooting scenarios, although it lacks some of the advanced features found in the Canon lens.

Image Quality Comparisons

The Canon EF-S 55-250mm boasts superior image quality due to its advanced optical design, including a UD lens element that minimizes chromatic aberration. This results in images with high resolution and contrast. The lens is specifically engineered for the EF-S mount, ensuring optimal performance with Canon cameras. In contrast, the OM SYSTEM Olympus lens offers decent image quality but may not provide the same level of detail and clarity, particularly at the telephoto end. The maximum image magnification of the Canon lens is 0.29x, significantly higher than the 0.16x of the Olympus lens, indicating better performance for close-up shots.

Focal Length and Versatility

The focal lengths of these lenses cater to different photography needs. The Canon EF-S 55-250mm provides a broader range from 55mm to 250mm, making it more versatile for various types of photography, including wildlife and sports. On the other hand, the OM SYSTEM Olympus lens covers a more limited range of 40mm to 150mm. While it is still versatile, especially for portrait and landscape photography, it may not offer the same telephoto capabilities as the Canon lens. The difference in focal length can significantly impact the types of shots you can capture, especially in dynamic environments.

Price Considerations

When it comes to pricing, the Canon EF-S 55-250mm is significantly more expensive at $329.99, compared to the OM SYSTEM Olympus lens, which retails for $175.99. This means the Canon lens is approximately 87% more costly than its competitor. However, the price difference may be justified by the enhanced features and superior image quality offered by the Canon lens. For those on a tighter budget, the Olympus lens presents a compelling option without sacrificing too much image quality for everyday photography.

Build Quality and Design

The Canon EF-S lens features a compact and lightweight design, making it portable for outdoor photography. With a length of 6.7 inches and a weight of 1.2 lbs, it balances well with Canon cameras. The OM SYSTEM Olympus lens is also designed with portability in mind, but its overall build quality may not match that of the Canon lens. Both lenses come with essential accessories like lens caps and instruction manuals, making them user-friendly right out of the box.

Autofocus and Performance

The Canon EF-S 55-250mm lens excels in autofocus performance, thanks to its STM technology, which enables fast and silent focusing, ideal for capturing moving subjects. The OM SYSTEM Olympus lens features High-Speed Imager AF, which also provides quick focusing but may not be as effective in dynamic shooting situations. This difference could be crucial for photographers who frequently shoot action or wildlife, where fast and accurate autofocus is essential.

Which should you buy?

In choosing between the Canon EF-S 55-250mm F4-5.6 is STM and the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R, it ultimately depends on your specific needs and budget. If you prioritize superior image quality, wider focal length range, and enhanced autofocus performance, the Canon lens is worth the investment despite its higher price. However, if you are seeking a more affordable option that still delivers satisfactory performance for everyday photography, the OM SYSTEM Olympus lens is a solid choice. Each lens has its strengths, making them suitable for different types of photographers.